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structure hydrothermal
相关语句
  构造热液
     The main Lead Zinc deposit type include hydrothermal sedimentation plus structure hydrothermal superimposed alteration type and complex superimposition type.
     主要铅锌矿类型有热水沉积 +构造热液迭加改造型、复合叠加型
短句来源
  相似匹配句对
     The structure of P.C.
     大跨度预应力混凝土斜拉桥(简称P.C.斜拉桥)结构不仅经济、美观,而且可以采用悬臂浇筑方法施工、使这一桥型得以迅速推广。
短句来源
     On ITS Structure
     论ITS的结构体系
短句来源
     THE STRUCTURE VARIANCE OF ETTRINGITE IN DIFFERENT HYDROTHERMAL CONDITIONS
     钙矾石在湿热环境下结构变异性的研究
短句来源
     The composition and structure of hydrothermal KTP crystal are introduced.
     测试了水热法KTP晶体的成分、结构.
短句来源
     Hydrothermal Eruption
     水热爆炸
短句来源
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Based upon the observation under microscope, together with analyses on the ore mineral association, characteristics of textures and structures and inclusion data, it is suggested that this deposit is a relatively typical hot brine sedimentation -hydrothermal reformation one. The mineralization periods and mineralization stages are classified, and two stages in hydrothermal reformation period is stressed, i.e. the reformation in the early stage of regional metamorphism and the intensive structure-hydrothermal...

Based upon the observation under microscope, together with analyses on the ore mineral association, characteristics of textures and structures and inclusion data, it is suggested that this deposit is a relatively typical hot brine sedimentation -hydrothermal reformation one. The mineralization periods and mineralization stages are classified, and two stages in hydrothermal reformation period is stressed, i.e. the reformation in the early stage of regional metamorphism and the intensive structure-hydrothermal reformation, the latter was the main stage of the deposit enrichment.

本文在大量光、薄片鉴定基础上,以矿石矿物组合、结构构造特征及包裹体测定为依据。提出该矿床应属较典型的热卤水沉积—热液改造型矿床。对矿床矿化期、矿化阶段进行划分,并强调其热液改造期分为两个阶段,即区域变质作用早期的改造和构造热液的强烈改造,后者是矿床的主要富集成矿期。

The categories and characteristics of surrounding rock alternation in Mobin Gold Deposit have been studied in detail,resorting to the systematic materials on rock and mineral determination,and quantified the various characteristics of middle sector alternation by structure hydrothermal's comprehensive alternation intensity.The result shows that there exists a certain Zonality of alternation in Mobin Gold Deposit.

本文利用系统岩矿鉴定资料对漠滨金矿的围岩蚀变特征进行了较详细的研究,提出“构造—热液综合蚀变强度”概念对不同中段蚀变特征作数量化描述,其结果表明漠滨金矿蚀变在空间上有一定分带性

A new type of gold mineralizat ion -controlling structure - hydrothermal crypto- explosive crater was identified at the Larma gold-uranium deposit in the border regions between Gansu and Sichuan provinces, western China. The hydrothermal crypto-explosive crater is ellipse-shaped at the surface, while funnel-like in profile. A silicalcap composed of hydrothermal siliceous breccia is distributed at the top of the crater, while hydrothermal crypto-explosive breccias are in the cen...

A new type of gold mineralizat ion -controlling structure - hydrothermal crypto- explosive crater was identified at the Larma gold-uranium deposit in the border regions between Gansu and Sichuan provinces, western China. The hydrothermal crypto-explosive crater is ellipse-shaped at the surface, while funnel-like in profile. A silicalcap composed of hydrothermal siliceous breccia is distributed at the top of the crater, while hydrothermal crypto-explosive breccias are in the cen tre. The configuration of the crater is roughly consistent with the distrbution of gold ore bodies. The formation mechanism of the crater is: first, a silica cap composed of hydrothermal siliceous metasomatic rock was formed at the contact area between the siliceous rock and the slate, and btriked the movement of hydrothermal nuid and resulted in the appearance of over-pressed geothermal environment. Then, at 49. 5Ma, the rejuvenation of the EW-striking faults in Larma area resulted in the breaking of the brittle silica cap, followed by the crypto-explosion of hydrothermal fluid. In Larma gold-uranium deposit, the hydrothermal coypto-explosion gave rise to the precipitation of gold from the hydrothermal fluid, while the crypto-explosive crater provided the space for gold mineralization.

在拉尔玛金铀矿床研究中鉴别出一种新的金矿控矿构造──热液隐爆机构。该机构在平面上呈近椭圆形,剖面上呈漏斗状,顶部为一由热液硅岩构成的“硅盖”,中心部位为热液隐爆角砾岩,其分布范围与金矿体吻合。热液隐爆机构的形成机制为:在硅岩与板岩的交界处形成的热液硅岩“盖”阻塞了热液系统,导致出现过压的地热环境,约49.5Ma时,由于东西向断裂复活,使脆性的硅岩发生破裂,最终导致了热液隐爆作用的发生。热液隐爆作用促使金元素从热液中沉淀,而热液隐爆机构则为金矿化提供了赋存空间。

 
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